What was found
NON-ETOPS FLT. 241, HNL-LIH: CLIMBING THROUGH 8,000 FEET, HEARD A LOUD BANG AND THE AIRCRAFT YAWED RIGHT. THE NR 2 ENGINE EPR DROPPED FROM 1.82 TO 1.76. REPORTED THAT A PASSENGER OBSERVED FLAMES EXITING THE NR 2 ENGINE EXHAUST. ALL OTHER ENGINE INDICATIONS WERE NORMAL. RETURNED TO HNL, UNEVENTFUL LANDING. REMOVED AND REPLACED THE NR 2 ENGINE IN ACCORDANCE WITH FORM M-212, M213, M215, AND M211. LEAK AND OPS CHECK GOOD. AIRPLANE RETURNED TO SERVICE.